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Photoinduced pairing in Mott insulators
by Satoshi Ejima and Holger Fehske
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Submission summary
| Authors (as registered SciPost users): | Satoshi Ejima |
| Submission information | |
|---|---|
| Preprint Link: | scipost_202208_00003v1 (pdf) |
| Date submitted: | 2022-08-02 01:37 |
| Submitted by: | Ejima, Satoshi |
| Submitted to: | SciPost Physics Proceedings |
| Proceedings issue: | International Conference on Strongly Correlated Electron Systems (SCES2022) |
| Ontological classification | |
|---|---|
| Academic field: | Physics |
| Specialties: |
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| Approaches: | Theoretical, Computational |
Abstract
Utilizing time-evolution techniques in (infinite) matrix-product-state representation, we study the nonequilibrium dynamics of driven Mott insulators and demonstrate photoinduced $\eta$ pairing directly in the thermodynamic limit. Analyzing the time evolution of the corresponding pairing correlations, we determine the optimal laser pump parameters for which long-range $\eta$-pairing becomes dominant after pulse irradiation. The time-dependent photoemission spectra for this optimal pump parameter set show clear signatures of the photoinduced insulator-to-metal phase transition related to the formation of $\eta$ pairs.
Current status:
Reports on this Submission
Strengths
Clearly written.
Weaknesses
Not very innovative (large similarity with 10.1103/PhysRevResearch.4.L012012)
Report
This paper meets the criteria for publication in the SCES conference proceedings.
Requested changes
There are a number of typos and unclear definitions.
1: First sentence, page 1 paring-> pairing
2: second sentence, has been attracted -> has attracted
3: Fig. 1: What is n_d? Why is it nonzero before the pump pulse?
4: throughout the paper: nonequilibrium->non-equilibrium